The table shows the age, in years, of employees in a company. Age (a) in years
Frequency
18 < a < 20
3
20 < a < 22
2
22 < a < 24
7
24 <a < 26
8
26 <a
0
a) Find the modal class interval.
<a<
b) Work out an estimate of the mean age of these employees.

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?